K-ras Mutational Status in Cytohistological Tissue as a Molecular Marker for the Diagnosis of Pancreatic Cancer: A Systematic Review and Meta-Analysis

Table 3

Summary of the diagnostic accuracy of K-ras mutation level in different materials in the same patient group using MetaDisc (version 1.4).

Summary	Serum	Cytohistological material
Sensitivity	41% (95% CI: 33–50%)	77% (95% CI: 74–80%)
Specificity	95% (95% CI: 90–99%)	88% (95% CI: 85–91%)
DOR	17.36 (95% CI: 6.61–45.59)	20.26 (95% CI: 11.40–36.03)